Most SimulationTools functions which process simulation data expect the data to be in the form of DataRegions or DataTables. If your code is not directly supported by SimulationTools already, with customised functions for reading the data, you can read simulation data into DataTables and DataRegions manually.

ASCII multi-column data

It is very common for simulation data to be stored as numeric columns of ASCII data. Mathematica can import such files directly using the Import function, and the resulting lists of numbers can be converted to DataTables.